using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ICSharpCode.SharpZipLib.Zip;
using System.IO;
namespace WindowsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
            //Pass following parameters sourcefile and destinationfile inside zipafolder method.
            //Note Sample1 folder should be present inside C drive
            zipafolder(@"C:\Sample",@"C:\Sample.zip");

            //Pass following parameters zippathandfile,outputfolder,password,deletezipfile into the UnZipFiles method.
            //Note Sample1.zip file should be present inside C drive
            UnZipFiles(@"C:\Sample1.zip", @"C:\", null, false);
        }

        static long GetDirectorySize(string p)
        {
            // 1
            // Get array of all file names.
            string[] a = Directory.GetFiles(p, "*.*");

            // 2
            // Calculate total bytes of all files in a loop.
            long b = 0;
            foreach (string name in a)
            {
                // 3
                // Use FileInfo to get length of each file.
                FileInfo info = new FileInfo(name);
                b += info.Length;
            }
            // 4
            // Return total size
            return b;
        }
        public static void zipafolder(string sourcefile, string destfile)
        {   
            long directorySize = GetDirectorySize(sourcefile);

            if (File.Exists(destfile) == false)
            {
                System.IO.FileStream fs = System.IO.File.Create(destfile);
                fs.Close();
            }

            //zip.exe file should be present in Base Directory
            string zipfile = System.AppDomain.CurrentDomain.BaseDirectory + "zip.exe";
            //Launch the zip.exe console app to do the actual zipping
            //System.Diagnostics.ProcessStartInfo i = new System.Diagnostics.ProcessStartInfo(@"C:\Program Files\EPUB-COMPILER\EPUB-COMPILERSETUP\zip.exe");
            System.Diagnostics.ProcessStartInfo i = new System.Diagnostics.ProcessStartInfo(zipfile);

            i.CreateNoWindow = true;
            string args = "";


            if (sourcefile.IndexOf(" ") != -1)
            {
                //we got a space in the path so wrap it in double qoutes
                args += "\"" + sourcefile + "\"";
            }
            else
            {
                args += sourcefile;
            }

            string dest = destfile;
            if (dest.IndexOf(" ") != -1)
            {
                //we got a space in the path so wrap it in double qoutes
                args += " " + "\"" + dest + "\"";
            }
            else
            {
                args += " " + dest;
            }

            i.Arguments = args;


            //Mark the process window as hidden so 
            //that the progress copy window doesn't show
            i.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
            System.Diagnostics.Process p = System.Diagnostics.Process.Start(i);
            int size = Convert.ToInt32(Convert.ToInt32(directorySize));

            System.Threading.Thread.Sleep(40000);
            //p.Kill();
        }
        public static void UnZipFiles(string zipPathAndFile, string outputFolder, string password, bool deleteZipFile)
        {
            ZipInputStream s = new ZipInputStream(File.OpenRead(zipPathAndFile));
            if (password != null && password != String.Empty)
                s.Password = password;
            ZipEntry theEntry;
            string tmpEntry = String.Empty;
            while ((theEntry = s.GetNextEntry()) != null)
            {
                string directoryName = outputFolder;
                string fileName = Path.GetFileName(theEntry.Name);
                // create directory 
                if (directoryName != "")
                {
                    Directory.CreateDirectory(directoryName);
                }
                if (fileName != String.Empty)
                {
                    if (theEntry.Name.IndexOf(".ini") < 0)
                    {
                        try
                        {
                            string fullPath = directoryName + "\\" + theEntry.Name;
                            fullPath = fullPath.Replace("\\ ", "\\");
                            string fullDirPath = Path.GetDirectoryName(fullPath);
                            if (!Directory.Exists(fullDirPath)) Directory.CreateDirectory(fullDirPath);
                            FileStream streamWriter = File.Create(fullPath);

                            int size = 2048;
                            byte[] data = new byte[2048];
                            while (true)
                            {
                                size = s.Read(data, 0, data.Length);
                                if (size > 0)
                                {
                                    streamWriter.Write(data, 0, size);
                                }
                                else
                                {
                                    break;
                                }
                            }
                            streamWriter.Close();
                        }
                        catch
                        {

                        }
                    }
                }
            }
            s.Close();
            //deleteZipFile will be False which is the parameter passing inside UnZipFiles method
            if (deleteZipFile)
                File.Delete(zipPathAndFile);
        }


    }
}